Document 1487
Shergalin, J.E. 1994. Bibliography on Aviational and Radar Ornithology in the Ex-USSR During 1992-1993. Proceedings of the International Bird Strike Committee, Vienna, Austria IBSC22/WP34:255-256.
Shergalin, J.E. 1994. Bibliography on Aviational and Radar Ornithology in the Ex-USSR During 1992-1993. Proceedings of the International Bird Strike Committee, Vienna, Austria IBSC22/WP34:255-256.
